0 produced and used to prevent people sending and receiving unwanted emails, especially advertisements: --
anti-spam legislation/policies/resources/tools
1 intended to prevent spam (= unwanted email) from being received: --
The company did not completely abandon webmercials, however, attracting viewers by offering free anti-spam software to consumers who watched a 30-second commercial.
Trying to balance false negatives (missed spams) vs false positives (rejecting good e-mail) is critical for a successful anti-spam system.
In recent years both magazine and conference have branched out to discuss anti-spam issues as well as malware.
Within a few years, the focus of spamming (and anti-spam efforts) moved chiefly to e-mail, where it remains today.
Joe-jobbers could also be businesses trying to defame a competitor or a spammer trying to harm the reputation of an anti-spam group or filtering service.
Its peer-to-peer nature was unusual amongst anti-spam solutions, with no other peer-to-peer opt-out solutions of note available.
Effective anti-spam and privacy features were also built-in to assure primary customers in the network operators.
Finding that his customers were being harassed with junk emails, he sought ways to stop the problem and in doing so became an anti-spam campaigner.